Mesoscale Model and Ray Tracing Model for Dipole Simulation
¥A surface dipole
¥A mid-level dipole
¥A tropopause dipole
¥Ro ~ 0.1

¥Mesoscale Model: MM5 with 2 domains
Horizontal resolution: 90km and 30km
Vertical resolution: 180 m
Dry dynamics, f plane, f=1.0x10-4s-1
Balanced initiation
¥Propagation of gravity waves using ray tracing model: GROGRAT